Windflow Technology Limited: the Partner of Choice in Mid-Sized Wind Windflow has been designing, manufacturing, installing and operating 500 kW turbines for over a decade. Windflow is a New Zealand-based publicly listed (NZX: WTL) designer and manufacturer of IEC certified and CE compliant wind turbines. The company is ISO 9001:2008 certified and has a successful track record of designing, installing and operating wind turbines in challenging wind conditions. With more than 500 turbine-years operating experience and a fleet-wide average availability of 95%+, Windflow's products have proven their robust design and high reliability in some of the most challenging wind conditions in the world.